IPC Subgroup
H03H 7/25 comprising an element controlled by an electric or magnetic variable
Introduced: January 1980
Last revised: January 2006
Full Title
Multiple-port networks comprising only passive electrical elements as network components > Frequency-independent attenuators > comprising an element controlled by an electric or magnetic variable
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRONIC CIRCUITRY
- Subclass:
- IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS